ALAM

alam
knowledge, to know


Alam ko. Alam mo ba?
I know. Do you know?


Hindi ko alam.

I don't know.
(see also the Tagalog word ewan


alamin
to find out, to investigate

Alamin mo kung bakit.
Find out why.


ipaalam
to inform

Ipaalam mo sa kanila.
Tell them (about  it).


pagkakaalam
knowledge

Sa aking pagkakaalam....
To my knowledge...


To say you know how to do something, use the word marunong.